Why Buying Direct from the Factory Matters!

Ever lost a lid or had a flask stop keeping heat, only to find the seller has disappeared? Not with us.

At Jinhua Shenlong, we don’t just sell flasks—we manufacture them. Being a direct factory means our service never stops:

✅ Genuine Spare Parts: Since we own the molds, we always have original lids and seals. No need to toss a whole bottle for one tiny part! 

✅ Expert Warranty: Every flask passes a 24h vacuum test. If there’s a defect, you deal with the factory experts directly for a 1:1 replacement. 

✅ Lifetime Support: Questions on cleaning or care? Our engineers are here to help.

Choose a partner, not just a product. Experience the power of factory-backed quality.

Tell us: What's the one thing you hate about cheap flasks? Let's fix it!